CN104723886A - Connecting device and method for vehicles and vehicle comprising connecting device - Google Patents
Connecting device and method for vehicles and vehicle comprising connecting device Download PDFInfo
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- CN104723886A CN104723886A CN201310703704.0A CN201310703704A CN104723886A CN 104723886 A CN104723886 A CN 104723886A CN 201310703704 A CN201310703704 A CN 201310703704A CN 104723886 A CN104723886 A CN 104723886A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a connecting device and method for vehicles and a vehicle comprising the connecting device. The connecting device comprises an electrical connector and a control module. The electrical connector comprises a first conducting portion, a second conducting portion, a first insulating portion and a second insulating portion; the first conducting portion and the second conducting portion are alternately connected with the first insulating portion and the second insulating portion; the control module is used for triggering the electrical connector to move from a first position to a second position when the vehicle has an accident; when the electrical connector is at the first position, a battery and a high-tension bus are connected; when the electrical connector is at the second position, the battery and the high-tension bus are disconnected; a positive bus and a negative bus are electrically connected to the first conducting portion or the second conducting portion, thus forming short circuit.
Description
Technical field
The present invention relates generally to vehicle electric field, relates more specifically to a kind of connecting device for vehicle, method and comprises the vehicle of this device.
Background technology
In vehicle, high pressure (HV) system, comprises battery, inverter, motor etc., has strict security requirement.Particularly in case of emergency, during as having an accident, fast also reliably by high tension supply, such as battery, from other parts of high-pressure system, such as inverter or motor disconnect, and are vital.In addition the important point is as quickly as possible by other partial discharges of high-pressure system, dissipates out of control to prevent electric charge.Such as, prevent system component, as cable, time damaged, produce arc event.
Common safety measure is when serious car accident being detected, is disconnected by the high voltage bus of battery and vehicle by the mode opening electric contactor.Described electric contactor is driven by relay and is controlled by battery management system, control unit for vehicle or safety air bag control unit.But the mode of above-mentioned disconnection contactless switch depends on physical parameter and the control logic of contactless switch, postpone from sending the request moment i.e. life period.
In addition, except disconnecting battery, it is also vital for effectively removing remaining higher-voltage charge from the remainder of high-pressure system.Under normal circumstances, high-pressure system has the safety device of circuit form, its after triggering discharges circuit in seconds by remaining for high-pressure system charge discharge to lower than the voltage levvl of safe voltage thresholds.But the mode that this remainder from high-pressure system fully removes remaining electric energy causes significant time delay.Such as, in a kind of conventional discharge circuit, MOSFET is parallel-connected to electric capacity, its trigger after in 23 seconds by circuit discharging to lower than the voltage levvl of safe voltage thresholds.In the discharge circuit that another kind is conventional, load resistor is parallel-connected to electric capacity, and it makes circuit discharging within several tens of seconds.In addition, when electro-motor or power supply other parts from inverter unit to high-pressure system continue power supply, as due to after accident or when causing wheel to rotate freely after the control losing conv, although high voltage bus, high-tension battery disconnect completely, but the delivery system of dump energy will lose efficacy, and other parts of high-pressure system are caused to be unsafe at concerned power in long-time.In this case, when a vehicle collision occurs, need to provide sooner, more failure-free solution to be to disconnect high-pressure system or to make high-pressure system discharge.
Summary of the invention
In view of the above problems, propose the present invention, to provide a kind of connecting device for vehicle, method and to comprise the vehicle of this device, to overcome the problems referred to above or to solve the problem at least in part.
According to a first aspect of the present invention, provide a kind of for the connecting device between Vehicular battery and high voltage bus, it is characterized in that, comprise: electric coupler, comprise the first current-carrying part, the second current-carrying part, first insulated part and the second insulated part, described first current-carrying part, described second current-carrying part are alternately connected with described first insulated part, described second insulated part; And control module, move to the second place for triggering described electric coupler when vehicle has an accident from primary importance; Wherein in primary importance, the positive pole of described battery and the positive bus-bar of described high voltage bus are electrically connected to described first current-carrying part, the negative pole of described battery and the negative busbar of described high voltage bus are electrically connected to described second current-carrying part, make conducting between described battery and described high voltage bus; And wherein in the second place, the positive pole of described battery is connected to described first insulated part, and the negative pole of described battery is connected to described second insulated part, makes not conducting between described battery and described high voltage bus; And described positive bus-bar and negative busbar are electrically connected to described first current-carrying part or described second current-carrying part, to form short circuit.
According to an embodiment of the present invention, described electric coupler is bar, and when being triggered by described control module, described bar moves to the second place along the axis of described bar from primary importance.
According to an embodiment of the present invention, described bar comprises insulating core, described first current-carrying part is the first conducting sleeve be arranged on described core, described second current-carrying part is the second conducting sleeve be arranged on described core, described first insulated part is the first insulating sleeve be arranged on described core, and described second insulated part is the second insulating sleeve be arranged on described core.
According to an embodiment of the present invention, described bar is included in the pressure plate of an end of described bar; When primary importance, described pressure plate is located against described control module, and when the second place, described pressure plate separates with described control module.
According to an embodiment of the present invention, described connecting device also comprises insulation end limiting device, and described bar is between described insulation end limiting device and described control module; When primary importance, described bar separates with described insulation end limiting device; And in the second place, described bar is located against described insulation end limiting device.
According to an embodiment of the present invention, each pole of described battery and each bus of described high voltage bus are all connected to described bar by contact bush, and described contact bush comprises hollow space, and described bar is through described hollow space; And described hollow space is shaped as provides frictional fit to described bar, make between described contact bush and the current-carrying part of described bar, form low-resistance electric and connect.
According to an embodiment of the present invention, described connecting device also comprises insulation wall, and described insulation wall comprises empty internal, and described insulation wall holds described bar and described contact bush, and described empty internal be shaped as coordinate described bar pass.
According to an embodiment of the present invention, described insulation wall comprises pin portion, and described pin portion is set to when described bar is in primary importance, against the end of described bar, so that described bar is fixed on primary importance; When vehicle has an accident, the thrust that the described end of described bar produces makes described pin portion displacement, thus allows described bar to move to the second place from primary importance.
According to an embodiment of the present invention, described control module comprises pyrotechnic device, and when vehicle has an accident, described pyrotechnic device produces bursting force, makes described electric coupler move to the second place from primary importance.
According to an embodiment of the present invention, described control module is triggered by least one in the battery management system of vehicle, control unit for vehicle and safety air bag control unit.
According to an embodiment of the present invention, described first insulated part and described second insulated part are made up of flame resistant material.
According to a second aspect of the present invention, provide a kind of vehicle, comprise the connecting device between foregoing battery and high voltage bus.
According to a third aspect of the present invention, provide a kind of method used in connecting device between Vehicular battery and high voltage bus, it is characterized in that: wherein said connecting device comprises electric coupler, described electric coupler comprises the first current-carrying part, the second current-carrying part, first insulated part and the second insulated part, described first current-carrying part, described second current-carrying part are alternately connected with described first insulated part, described second insulated part; And described method comprises: trigger described electric coupler when vehicle has an accident and move to the second place from primary importance; Wherein in primary importance, the positive pole of described battery and the positive bus-bar of described high voltage bus are electrically connected to described first current-carrying part, the negative pole of described battery and the negative busbar of described high voltage bus are electrically connected to described second current-carrying part, make conducting between described battery and described high voltage bus; And wherein in the second place, the positive pole of described battery is connected to described first insulated part, and the negative pole of described battery is connected to described second insulated part, makes not conducting between described battery and described high voltage bus; And described positive bus-bar and negative busbar are electrically connected to described first current-carrying part or described second current-carrying part, to form short circuit.
According to an embodiment of the present invention, described electric coupler is bar, and triggers described electric coupler when vehicle has an accident and be included in from the step that primary importance moves to the second place and trigger described bar when vehicle has an accident and move to the second place along the axis of described bar from primary importance.
According to an embodiment of the present invention, trigger when vehicle has an accident described electric coupler from the step that primary importance moves to the second place be included in vehicle have an accident time, the bursting force produced by pyrotechnic device is triggered described electric coupler and moves to the second place from primary importance.
According to an embodiment of the present invention, trigger when vehicle has an accident described electric coupler from the step that primary importance moves to the second place be included in vehicle have an accident time, trigger described electric coupler by least one in the battery management system of vehicle, control unit for vehicle and safety air bag control unit and move to the second place from primary importance.
In a word, embodiments of the present invention provide a kind of quick, reliable and safe scheme, are disconnected by battery from high voltage bus, and by connecting other parts of high-pressure system for short circuit, are effectively discharged by the electric residue of high voltage bus.Reach from triggering connecting device and high voltage bus and battery are disconnected and the object of being discharged by the electric residue of high-pressure system, time delay is in fact zero.In addition, when there are other charging sources, such as, when the electro-motor rotated and inverter out of control, conducting electricity greatly cross-sectional plane, electromotive force is dropped to zero by using low-down resistance and combining, this scheme effectively and reliable.In addition, by conjunction with current-carrying part and the insulated part be made up of flame resistant material, bonding tightness tolerance limit simultaneously, can reliably prevent from triggering this device under electric load and the high-voltage arc event that causes.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of specification sheets, and can become apparent, below especially exemplified by the specific embodiment of the present invention to allow above and other objects of the present invention, feature and advantage.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and does not think limitation of the present invention.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Fig. 1 is the schematic diagram of middle according to an embodiment of the present invention connecting device in primary importance;
Fig. 2 is the schematic diagram of middle according to an embodiment of the present invention connecting device in the second place;
Fig. 3 A is the schematic diagram of king-rod according to an embodiment of the present invention;
Fig. 3 B is the cutaway view of king-rod according to an embodiment of the present invention;
Fig. 4 is the decomposing schematic representation of king-rod according to an embodiment of the present invention;
Fig. 5 is the schematic diagram of middle according to an embodiment of the present invention contact bush;
Fig. 6 A is the schematic diagram of king-rod according to an embodiment of the present invention;
Fig. 6 B is the schematic diagram of middle according to an embodiment of the present invention contact bush;
Fig. 6 C be according to an embodiment of the present invention at the bar of primary importance and the schematic diagram of contact bush;
Fig. 6 D be according to an embodiment of the present invention at the bar of the second place and the schematic diagram of contact bush.
Detailed description of the invention
Below with reference to accompanying drawings illustrative embodiments of the present disclosure is described in more detail.Although show illustrative embodiments of the present disclosure in accompanying drawing, however should be appreciated that can realize the disclosure in a variety of manners and not should limit by the embodiment of setting forth here.On the contrary, provide these embodiments to be in order to more thoroughly the disclosure can be understood, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.But achieve the present invention although should be appreciated that those skilled in the art can dream up clearly not describe in this manual or record and be included in the various structures in spirit of the present invention, principle and scope.The all examples quoted from this specification sheets and conditional language are all for the object illustrated and instruct, the principle of prior art being made contributions to help reader understanding contriver and concept, and should be understood to be not limited to these the specifically example of citation and conditions.In addition, in order to be illustrated more clearly in, the detailed description for known devices, circuit and method is eliminated, not obscure description of the invention.Should be understood that unless stated otherwise, the feature in each embodiment described herein can combine mutually.
According to an embodiment of the present invention, the connecting device between Vehicular battery 101 and high voltage bus 102 is provided.Battery 101, as storage battery, is other parts of the high-pressure system to vehicle, as inverter or motor, and the power supply of power supply.High voltage bus 102 is for being electrically connected other parts of the high-pressure system of battery 101 and vehicle.
Fig. 1 and Fig. 2 shows a non-limiting and exemplary embodiment of the present invention.As depicted in figs. 1 and 2, connecting device comprises electric coupler 300 and control module 200.Electric coupler 300 comprises the first current-carrying part 301, second current-carrying part 303 and the first insulated part 302 and the second insulated part 304, first current-carrying part 301, second current-carrying part 303 and is alternately connected with the first insulated part 302 second insulated part 304.When vehicle has an accident, triggered by control module 200, electric coupler 300 can move to the second place from primary importance.
As shown in Figure 1, in primary importance, the positive pole of battery 101 and the positive bus-bar of high voltage bus 102 are electrically connected to the first current-carrying part 301, and the negative pole of battery 101 and the negative busbar of high voltage bus 102 are electrically connected to the second current-carrying part 303.This configuration of primary importance, makes conducting between battery 101 and high voltage bus 102.
When vehicle has an accident, control module 200 triggers electric coupler 300 and moves to the second place from primary importance.As shown in Figure 2, in the second place, the positive pole of battery 101 is connected to the first insulated part 302, and the negative pole of battery 101 is connected to the second insulated part 304, and this configuration makes battery 101 and high voltage bus 102 disconnect, not conducting between the two.As shown in Figure 2, positive bus-bar and negative busbar are electrically connected to the first current-carrying part 301, to form short circuit, thus are effectively discharged by the electric residue of high voltage bus 102.Alternatively, positive bus-bar and negative busbar can be electrically connected to the second current-carrying part 303.
Positive bus-bar and negative busbar are electrically connected to the first current-carrying part 301 or the second current-carrying part 303, are the Different Results that the difference moving to the direction of the second place from primary importance due to electric coupler 300 produces.Alternatively, it is direction along battery 101 positive pole towards negative pole that electric coupler 300 moves to the second place from primary importance, then, when the second place, positive bus-bar and negative busbar are electrically connected to the first current-carrying part 301; Alternatively, it is direction along battery 101 negative pole towards positive pole that electric coupler 300 moves to the second place from primary importance, then, when the second place, positive bus-bar and negative busbar are electrically connected to the second current-carrying part 303.
Alternatively, connecting device also comprises shell 400, and it holds control module 200, electric coupler 300, the positive pole of battery 101 and negative pole, and the positive bus-bar of high voltage bus 102 and negative busbar.
According to an embodiment of the present invention, as shown in figs 3 a and 3b, electric coupler can be bar 310.When being triggered by control module 200, bar 310 can move to the second place along the axis of bar 310 from primary importance.
In a non-limiting and exemplary embodiment of the present invention, as shown in figs 3 a and 3b, bar 310 can comprise the first insulated part 302, first current-carrying part 301, second insulated part 304 and the second current-carrying part 303.Alternatively, the core of bar 310 is insulation, as shown in shade in Fig. 3 B, the first current-carrying part 301 and the second current-carrying part 303 is not electrically connected each other.Alternatively, electric coupler can be other forms, such as disk, annulus or circular arc, and it can rotate to the second place around its center from primary importance.
According to an embodiment of the present invention, as shown in Figure 4, bar 310 comprises insulating core 309, first current-carrying part 301 is first conducting sleeves be arranged on core 309, second current-carrying part 303 is second conducting sleeves be arranged on core 309, first insulated part 302 is first insulating sleeves be arranged on core 309, and the second insulated part 304 is second insulating sleeves be arranged on core 309.Alternatively, electric coupler is single type electric coupler.Alternatively, the first current-carrying part 301, second current-carrying part 303, first insulated part 302 and the second insulated part 304 are integrally formed.Alternatively, electric coupler can be coupling assembling, by multiple element, as the first current-carrying part 301, second current-carrying part 303, first insulated part 302 and the second insulated part 304 or its combination, assembles.
According to an embodiment of the present invention, bar 310 is included in the pressure plate 305 of an end of bar 310, as shown in Fig. 3 A-3B and Fig. 4.When primary importance, pressure plate 305 is located against control module 200, as shown in Figure 1.Have an accident period at vehicle, control module 200 is by hitting pressure plate 305, and frizzen 310 moves to the second place along the axis of bar 310 from primary importance.In the second place, pressure plate 305 separates with control module 200, as shown in Figure 2.
According to an embodiment of the present invention, connecting device also can comprise insulation end limiting device 306.As depicted in figs. 1 and 2, bar 310 is between insulation end limiting device 306 and control module 200.When primary importance, bar 310 separates with end limiting device 306, as shown in Figure 1.Have an accident period at vehicle, control module 200 frizzen 310 moves to the second place along the axis of bar 310 from primary importance.When bar 310 contact end limiting device 306, bar 310 stops at the second place.In the second place, bar 310 is located against end limiting device 306, as shown in Figure 2.
According to an embodiment of the present invention, wherein each pole of battery 101 and each bus of high voltage bus 102 are all connected to bar 310 by contact bush 307, and as shown in Figure 5, contact bush 307 comprises hollow space 308, and bar 310 is through hollow space 308.As illustrated in figs. 6 a-6d, hollow space 308 is shaped as provides frictional fit closely to bar 310.This frictional fit ensure that between contact bush 307 and the current-carrying part 301,303 of bar 310, form low-resistance electric connects.Above-mentioned connection mode makes do not have a. g. between the current-carrying part 301,303 of contact bush 307 and bar 310, because a. g. is the precondition producing electric arc, therefore, even if electric coupler 300 moves when electric load and switches, also electric arc can not be produced.Alternatively, insulated part 302,304 can be made up of the insulating material with sufficiently high heat absorption capacity and thermal conductivity, makes any potential electric arc just suppressed when producing.Alternatively, the both positive and negative polarity of battery 101 and the positive and negative busbar of high voltage bus 102 can be otherwise connected to bar 310, such as by bayonet socket connection, anulated connection, recommend connection.
As shown in Figure 6 C, in primary importance, the positive pole of battery 101 is electrically connected to the first current-carrying part 301 by lining 307a, and positive bus-bar is electrically connected to the first current-carrying part 301 by lining 307b; And the negative pole of battery 101 is electrically connected to the second current-carrying part 303 by lining 307d, and negative busbar is electrically connected to the second current-carrying part 303 by lining 307c, makes conducting between battery 101 and high voltage bus 102.
When vehicle has an accident, control module 200 triggers electric coupler 300 and moves to the second place from primary importance.Therefore, the connection location between the both positive and negative polarity of adaptor union 300 and battery 101, and the connection location between the positive and negative busbar of adaptor union 300 and high voltage bus 102 changes.
As shown in Figure 6 D, in the second place, positive bus-bar is electrically connected to the first current-carrying part 301 by lining 307b and negative busbar by lining 307c, and the positive pole of battery 101 is connected to the first insulated part 302 by lining 307a, and the negative pole of battery 101 is connected to the second insulated part 304 by lining 307d.Not conducting between battery 101 and high voltage bus 102, disconnects battery 101 thus, and positive bus-bar and negative busbar form short circuit, thus is effectively discharged by the electric residue of high voltage bus 102.
According to an embodiment of the present invention, alternatively, connecting device also comprises insulation wall 500, and insulation wall 500 comprises empty internal.Insulation wall 500 holds bar 310 and contact bush 307, and empty internal is shaped as depending post 310 passes.
According to an embodiment of the present invention, insulation wall 500 comprises pin portion 501, and as shown in Figure 1, pin portion 501 is set to when bar 310 is in primary importance, against the end of bar 310, so that bar 310 is fixed primary importance; When vehicle has an accident, the thrust that the end of bar 310 produces makes pin portion 501 displacement, as shown in Figure 2, thus allows bar 310 to move to the second place from primary importance.
According to an embodiment of the present invention, control module 200 comprises pyrotechnic device, and when vehicle has an accident, pyrotechnic device produces bursting force, makes electric coupler 300 move to the second place from primary importance.When serious car accident being detected, request pyrotechnic device triggers electric coupler and moves.
According to an embodiment of the present invention, control module is triggered by least one in battery management system, control unit for vehicle and safety air bag control unit.Alternatively, the electric signal trigger control unit by sending from least one in battery management system, control unit for vehicle and safety air bag control unit.
Pyrotechnic device produces bursting force, acts on towards on the pressure plate 305 of the bar 310 of pyrotechnic device, as shown in Figure 1.Then, bar 310, through the hollow space 308 of contact bush 307, is moved to the second place from primary importance fast, reliably and safely.Therefore, connection location between the positive and negative busbar of the connection location between the both positive and negative polarity of adaptor union 300 and battery 101 and adaptor union 300 and high voltage bus 102 changes, and battery 101 disconnects from other parts of high voltage bus 102 or vehicle and discharged completely by the electric residue of high-pressure system thus.Alternatively, this disconnection is permanent.In this way, disconnected and the object of being discharged completely by the electric residue of high-pressure system from battery by high voltage bus from sending request to pyrotechnic device to reach, time delay is almost nil.
According to an embodiment of the present invention, the first insulated part 302 and the second insulated part 304 are made up of flame resistant material.By in conjunction with current-carrying part 301,303 and the insulated part 302,304 be made up of flame resistant material, the tight tolerance provided by contact bush 307 is provided simultaneously, can reliably prevents from triggering electric coupler 300 under electric load and the high-voltage arc event caused.
According to a second aspect of the present invention, provide a kind of vehicle, comprise as elucidated before according to the connecting device between battery of the present invention and high voltage bus.By using this connecting device, when vehicle has an accident, the high voltage bus of battery from vehicle is disconnected; By the electric system of vehicle is converted to short circuit, the electric system of vehicle closed by incoming call.When there are other charging sources, such as, when the electro-motor rotated and inverter out of control, this scheme is effective and reliable; And the high-voltage arc event that reliably can prevent from triggering electric coupler under electric load and cause.
According to a third aspect of the present invention, corresponding to as above according to the connecting device between battery of the present invention and high voltage bus, provide the method used in the connecting device between a kind of battery at vehicle and high voltage bus, as the method used in the connecting device between battery and inverter or motor.
According to an embodiment of the present invention, connecting device comprises electric coupler 300, electric coupler 300 comprises the first current-carrying part 301, second current-carrying part 303, and first insulated part 302 and the second insulated part 304, first current-carrying part 301, second current-carrying part 303 be alternately connected with the first insulated part 302 and the second insulated part 304.The method comprises: trigger electric coupler 300 when vehicle has an accident and move to the second place from primary importance; Wherein in primary importance, the positive pole of battery 101 and the positive bus-bar of high voltage bus 102 are electrically connected to the first current-carrying part 301, the negative pole of battery 101 and the negative busbar of high voltage bus 102 are electrically connected to the second current-carrying part 303, make conducting between battery 101 and high voltage bus 102.When vehicle has an accident, control module 200 triggers electric coupler 300 and moves to the second place from primary importance.In the second place, the positive pole of battery 101 is connected to the first insulated part 302, and the negative pole of battery 101 is connected to the second insulated part 304, makes not conducting between battery 101 and high voltage bus 102; And positive bus-bar and negative busbar are electrically connected to the first current-carrying part 301 or the second current-carrying part 303, to form short circuit.
According to an embodiment of the present invention, electric coupler can be bar 310.The step that triggering electric coupler moves to the second place from primary importance when vehicle has an accident can comprise: when vehicle has an accident, frizzen 310 moves to the second place along the axis of bar 310 from primary importance.
According to an embodiment of the present invention, the step that wherein triggering electric coupler moves to the second place from primary importance when vehicle has an accident comprises: the bursting force produced by pyrotechnic device when vehicle has an accident is triggered electric coupler and moves to the second place from primary importance.
According to an embodiment of the present invention, the step that wherein triggering electric coupler 300 moves to the second place from primary importance when vehicle has an accident comprises: trigger electric coupler 300 when vehicle has an accident by least one the battery management system of vehicle, control unit for vehicle and safety air bag control unit and move to the second place from primary importance.
Also can be applicable to, according to the method used in the connecting device between the battery at vehicle of the present invention and high voltage bus, in order to concise and to the point object, not repeat them here to the foregoing description of connecting device.
In a word, embodiments of the present invention provide a kind of quick, reliable and safe scheme, when vehicle has an accident, are disconnected by the battery of vehicle from high voltage bus; By the electric system of vehicle is converted to short circuit, the electric system of vehicle closed by incoming call; When there are other charging sources, such as, when the electro-motor rotated and inverter out of control, this scheme is effective and reliable; And the high-voltage arc event that reliably can prevent from triggering electric coupler under electric load and cause.
In this manual, a large amount of details is described.But, should be appreciated that embodiments of the present invention can be implemented when not having these details.In some embodiments, be not shown specifically known method, structure and technology, not make reader obscure the understanding of the principle to this specification sheets.
It will be understood by those skilled in the art that and can the module in the device in each embodiment adaptively be changed, and they are arranged in one or more devices different from this embodiment.Except the situation that feature or process are mutually repelled, any combination can be adopted, to method any disclosed in this specification sheets in steps or all modules of any device combine.Unless expressly stated otherwise, each feature disclosed in this specification sheets can by providing identical, equivalent or similar object alternative features replaces.
The present invention will be described instead of limit the invention to it should be noted that above-mentioned embodiment, and those skilled in the art are not when departing from the scope of claims, can design various alternate embodiments.In detail in the claims, the sequence of feature does not also mean that any particular order of feature, and especially, in claim to a method each step order and do not mean that these steps must perform according to this order.On the contrary, these steps can perform with any order suitably.In detail in the claims, any reference marker being positioned at bracket should be understood as limitations on claims.Term " comprises " or " comprising " is not got rid of existence and do not arrange module in the claims or step.The term "a" or "an" be positioned at before module or step is not got rid of and be there is multiple such module or step.The use of term " first ", " second " and " the 3rd " etc. does not represent any order, can be title by these terminological interpretations.
Claims (16)
1. for the connecting device between Vehicular battery and high voltage bus, it is characterized in that, comprising:
Electric coupler, comprises the first current-carrying part, the second current-carrying part, the first insulated part and the second insulated part, and described first current-carrying part, described second current-carrying part are alternately connected with described first insulated part, described second insulated part; And
Control module, moves to the second place for triggering described electric coupler when vehicle has an accident from primary importance;
Wherein in primary importance, the positive pole of described battery and the positive bus-bar of described high voltage bus are electrically connected to described first current-carrying part, the negative pole of described battery and the negative busbar of described high voltage bus are electrically connected to described second current-carrying part, make conducting between described battery and described high voltage bus; And
Wherein in the second place, the positive pole of described battery is connected to described first insulated part, and the negative pole of described battery is connected to described second insulated part, makes not conducting between described battery and described high voltage bus; And described positive bus-bar and negative busbar are electrically connected to described first current-carrying part or described second current-carrying part, to form short circuit.
2. connecting device as claimed in claim 1, is characterized in that: described electric coupler is bar, and when being triggered by described control module, described bar moves to the second place along the axis of described bar from primary importance.
3. connecting device as claimed in claim 2, it is characterized in that: described bar comprises insulating core, described first current-carrying part is the first conducting sleeve be arranged on described core, described second current-carrying part is the second conducting sleeve be arranged on described core, described first insulated part is the first insulating sleeve be arranged on described core, and described second insulated part is the second insulating sleeve be arranged on described core.
4. connecting device as claimed in claim 2, is characterized in that: described bar is included in the pressure plate of an end of described bar; When primary importance, described pressure plate is located against described control module, and when the second place, described pressure plate separates with described control module.
5. connecting device as claimed in claim 2, is characterized in that: described connecting device also comprises insulation end limiting device, and described bar is between described insulation end limiting device and described control module; When primary importance, described bar separates with described insulation end limiting device; And in the second place, described bar is located against described insulation end limiting device.
6. connecting device as claimed in claim 2, is characterized in that: each pole of described battery and each bus of described high voltage bus are all connected to described bar by contact bush, and described contact bush comprises hollow space, and described bar is through described hollow space; And described hollow space is shaped as provides frictional fit to described bar, make between described contact bush and the current-carrying part of described bar, form low-resistance electric and connect.
7. connecting device as claimed in claim 6, it is characterized in that: described connecting device also comprises insulation wall, described insulation wall comprises empty internal, and described insulation wall holds described bar and described contact bush, and described empty internal be shaped as coordinate described bar pass.
8. connecting device as claimed in claim 7, it is characterized in that: described insulation wall comprises pin portion, described pin portion is set to when described bar is in primary importance, against the end of described bar, so that described bar is fixed on primary importance; When vehicle has an accident, the thrust that the described end of described bar produces makes described pin portion displacement, thus allows described bar to move to the second place from primary importance.
9. connecting device as claimed in claim 1, is characterized in that: described control module comprises pyrotechnic device, and when vehicle has an accident, described pyrotechnic device produces bursting force, makes described electric coupler move to the second place from primary importance.
10. connecting device as claimed in claim 1, is characterized in that: described control module is triggered by least one in the battery management system of vehicle, control unit for vehicle and safety air bag control unit.
11. connecting devices as claimed in claim 1, is characterized in that: described first insulated part and described second insulated part are made up of flame resistant material.
12. 1 kinds of vehicles, comprise the connecting device between battery as described in any one of claim 1-11 and high voltage bus.
The method used in 13. 1 kinds of connecting devices between Vehicular battery and high voltage bus, it is characterized in that: wherein said connecting device comprises electric coupler, described electric coupler comprises the first current-carrying part, the second current-carrying part, first insulated part and the second insulated part, described first current-carrying part, described second current-carrying part are alternately connected with described first insulated part, described second insulated part; And
Described method comprises: trigger described electric coupler when vehicle has an accident and move to the second place from primary importance;
Wherein in primary importance, the positive pole of described battery and the positive bus-bar of described high voltage bus are electrically connected to described first current-carrying part, the negative pole of described battery and the negative busbar of described high voltage bus are electrically connected to described second current-carrying part, make conducting between described battery and described high voltage bus; And
Wherein in the second place, the positive pole of described battery is connected to described first insulated part, and the negative pole of described battery is connected to described second insulated part, makes not conducting between described battery and described high voltage bus; And described positive bus-bar and negative busbar are electrically connected to described first current-carrying part or described second current-carrying part, to form short circuit.
14. methods as claimed in claim 13, it is characterized in that: described electric coupler is bar, and trigger described electric coupler when vehicle has an accident and be included in from the step that primary importance moves to the second place and trigger described bar when vehicle has an accident and move to the second place along the axis of described bar from primary importance.
15. methods as claimed in claim 13, it is characterized in that: trigger when vehicle has an accident described electric coupler from the step that primary importance moves to the second place be included in vehicle have an accident time, the bursting force produced by pyrotechnic device is triggered described electric coupler and moves to the second place from primary importance.
16. methods as claimed in claim 13, it is characterized in that: trigger when vehicle has an accident described electric coupler from the step that primary importance moves to the second place be included in vehicle have an accident time, trigger described electric coupler by least one in the battery management system of vehicle, control unit for vehicle and safety air bag control unit and move to the second place from primary importance.
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| CN201310703704.0A CN104723886B (en) | 2013-12-19 | 2013-12-19 | Attachment means, method for vehicle and the vehicle including the device |
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| CN201310703704.0A CN104723886B (en) | 2013-12-19 | 2013-12-19 | Attachment means, method for vehicle and the vehicle including the device |
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| CN104723886A true CN104723886A (en) | 2015-06-24 |
| CN104723886B CN104723886B (en) | 2017-06-16 |
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| Publication number | Publication date |
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| CN104723886B (en) | 2017-06-16 |
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